Import sources from 2011-03-30 iso image

1 files changed, 29 insertions, 0 deletions

diff --git a/sys/src/cmd/auth/lib/keyfmt.c b/sys/src/cmd/auth/lib/keyfmt.c
new file mode 100755
index 000000000..86c2378a3
--- /dev/null
+++ b/sys/src/cmd/auth/lib/keyfmt.c
@@ -0,0 +1,29 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include "authcmdlib.h"
+
+/*
+ * print a key in des standard form
+ */
+int
+keyfmt(Fmt *f)
+{
+	uchar key[8];
+	char buf[32];
+	uchar *k;
+	int i;
+
+	k = va_arg(f->args, uchar*);
+	key[0] = 0;
+	for(i = 0; i < 7; i++){
+		key[i] |= k[i] >> i;
+		key[i] &= ~1;
+		key[i+1] = k[i] << (7 - i);
+	}
+	key[7] &= ~1;
+	sprint(buf, "%.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo",
+		key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]);
+	fmtstrcpy(f, buf);
+	return 0;
+}